Home / 2,643.22-3,647.87-1,524.30

Finding the Fourth Proportional to 2,643.22, 3,647.87 and 1,524.30

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Solution

The fourth proportional to 2,643.22, 3,647.87 and 1,524.30 is: 2,103.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,643.22 : 3,647.87 = 1,524.30 : x
  2. Step 2: Convert to fraction form
    2,643.22/3,647.87 = 1,524.30/x
  3. Step 3: Cross multiply
    2,643.22x = 3,647.87 × 1,524.30
  4. Step 4: Simplify right side
    2,643.22x = 5,560,448.24
  5. Step 5: Solve for x
    x = 5,560,448.24/2,643.22
  6. Step 6: Final answer
    x = 2,103.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.